Many marine invertebrates, like this sea slug, maintain salt concentrations in their body tissues similar to those of the sea water around them. 1. How would you expect osmosis to affect the water balance in these organisms?

A. The slug is not in danger of dehydration or swelling due to osmotic water movement.

B. The slug would need to continually release dilute urine to maintain an osmotic balance.

C. The slug would need to continually release concentrated urine to maintain an osmotic balance.